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| Q. |
Regarding the heart, which is TRUE? |
| A. | the right and left ventricles perform the same amount of work, because the same volume of blood is pumped by each |
| B. | the cross sectional shape of both ventricles is approximately cylindrical |
| C. | the right ventricle pumps by a bellows type mechanism |
| D. | the left ventricle pump action is via reducing cross-sectional area, as a function of radius cubed |
| E. | in pulmonary disease the right ventricle hypertrophies and assumes a crescented shape in cross section |
| Answer» C. the right ventricle pumps by a bellows type mechanism | |
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